Write the given third order linear equation as an equivalent system of first order equations with initial values.

with initial values

If you don't get this in 2 tries, you can get a hint.

Use x = y, x = y', and x3 =y". 18 with (t - 2t) y' - 4y" = -2t y(3) = -2, y' (3) = 2, y" (3) = -3 18 18